The global dioctyl terephthalate (DOTP) market was estimated at USD 2.34 billion in 2025 and is projected to grow to USD 3.31 billion by 2031, at a CAGR of 6.04% over the 2026-2031 forecast period, according to Mordor Intelligence. DOTP is a non-phthalate plasticizer made from terephthalic acid and 2-ethylhexanol, used as a drop-in replacement for DOP in flexible PVC.

DOTP serves as a plasticizer in flexible PVC for automotive interiors, cable insulation, flooring, films and packaging, and as a functional additive in adhesives and sealants. Demand is tied to the regulatory phase-out of phthalates, the growth of eco-friendly flexible PVC, and the rising use of non-phthalate alternatives. Asia-Pacific is the largest and fastest-growing region, supported by extensive PVC and automotive industries in China, India and Southeast Asia.

North America and Europe sustain steady demand in premium automotive and food-contact applications. Continued phthalate-substitution growth positions DOTP as a steadily advancing non-phthalate plasticizer.